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Clean Water Act discharge permit · NPDES PAC100375

PAWC BUTLER WTP, Oakland, Township Of, PA: NPDES PAC100375 discharge permit, effluent exceedances, inspections, penalties

PAWC BUTLER WTP, held by Pennsylvania American Water Company, holds NPDES permit PAC100375. EPA’s file records it issued July 2, 2025 and expiring December 7, 2029. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for PAWC BUTLER WTP: its NPDES ID, its permit type and status, its dates, its address in Oakland, Township Of, Pennsylvania. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES PAC100375.

Identity

Facility as filedPAWC BUTLER WTP
Permittee as filedPennsylvania American Water Company
NPDES IDPAC100375
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 2, 2025
Expiration dateDecember 7, 2029
Issuing agencyButler County Conservation District
AddressOakland, Township Of, PA 16001
SubwatershedLake Oneida-Connoquenessing Creek (HUC 050301050401)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES PAC100375.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES PAC100375.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, PAC100375.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID PAC100375 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The PAWC BUTLER WTP storm water construction permit (NPDES ID PAC100375) is one of 201 such permits on EPA's NPDES register in Butler County, Pennsylvania, counting this one. It is also one of 17 NPDES permits in the Lake Oneida-Connoquenessing Creek subwatershed, this one included. Of all 201 Butler County storm water construction permits, 82.1% were issued earlier than this one, and 0.0% of them have a violation on file.